{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:FCVP4E7ECSJTOPUPNH5ZFD37ZC","short_pith_number":"pith:FCVP4E7E","canonical_record":{"source":{"id":"2304.05034","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T07:43:02Z","cross_cats_sorted":[],"title_canon_sha256":"6734858921fd88446d6555a668c46b39eaa852e26bcb765d8b34506bdcba57bf","abstract_canon_sha256":"a7a79f5273765fad9e6aa180c086a663f42fda5c11fb06350c763437dbb3b10e"},"schema_version":"1.0"},"canonical_sha256":"28aafe13e41493373e8f69fb928f7fc8b81936d3bea9d5557450e71d2264114e","source":{"kind":"arxiv","id":"2304.05034","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05034","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05034v1","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05034","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"pith_short_12","alias_value":"FCVP4E7ECSJT","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"pith_short_16","alias_value":"FCVP4E7ECSJTOPUP","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"pith_short_8","alias_value":"FCVP4E7E","created_at":"2026-07-05T05:59:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:FCVP4E7ECSJTOPUPNH5ZFD37ZC","target":"record","payload":{"canonical_record":{"source":{"id":"2304.05034","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T07:43:02Z","cross_cats_sorted":[],"title_canon_sha256":"6734858921fd88446d6555a668c46b39eaa852e26bcb765d8b34506bdcba57bf","abstract_canon_sha256":"a7a79f5273765fad9e6aa180c086a663f42fda5c11fb06350c763437dbb3b10e"},"schema_version":"1.0"},"canonical_sha256":"28aafe13e41493373e8f69fb928f7fc8b81936d3bea9d5557450e71d2264114e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:59:54.463162Z","signature_b64":"0sYylVHRAlsWLAsHPGGLUDm2JA47I3ma1NuJrSj89vw//kF9KGjR2q8D0L/5p804+cOTPh5MSvRNAdPeo1PBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28aafe13e41493373e8f69fb928f7fc8b81936d3bea9d5557450e71d2264114e","last_reissued_at":"2026-07-05T05:59:54.462760Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:59:54.462760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.05034","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:59:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vr5wfA3rpOMKZSOIHhGAsng4MML2qZFDDN/z2Ujs+ykZEsER1ADQf0siQIeujh8pFaYA9KQbxAzxcfafN0+uDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T11:08:29.678875Z"},"content_sha256":"d707a1fef11d3510367cef36720e6c02f9066dae0ba5984d86a74d62406ab6a3","schema_version":"1.0","event_id":"sha256:d707a1fef11d3510367cef36720e6c02f9066dae0ba5984d86a74d62406ab6a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:FCVP4E7ECSJTOPUPNH5ZFD37ZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The H{\\alpha} Luminosity Function of Galaxies at z {\\sim} 4.5","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Garth D. Illingworth, Ivo Labb\\'e, Mauro Stefanon, Pascal A. Oesch, Renske Smit, Rychard J. Bouwens, Valentino Gonz\\'alez, Victoria Bollo","submitted_at":"2023-04-11T07:43:02Z","abstract_excerpt":"We present the H{\\alpha} luminosity function (LF) derived from a large sample of Lyman break galaxies at z {\\sim} 4.5 over the GOODS-South and North fields. This study makes use of the new, full-depth Spitzer/IRAC [3.6] and [4.5] imaging from the GOODS Re-ionization Era wide-Area Treasury from the Spitzer program. The H{\\alpha} flux is derived from the offset between the continuum flux estimated from the best-fit spectral energy distribution, and the observed photometry in IRAC [3.6]. From these measurements, we build the H{\\alpha} LF and study its evolution providing the best constraints of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05034","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2304.05034/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:59:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KmlaOfDwrZWwdPLxqh/mWUulvZdpjpsytkXLBYQhyDEpeMLxTbWFRmdO5MR0QEGgvP47S2Zy2m6dKZOPWP7HDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T11:08:29.679374Z"},"content_sha256":"0355429a7d112ce53a1318eaf14b76ece2d73dc6e447abbfd5e632298467db6d","schema_version":"1.0","event_id":"sha256:0355429a7d112ce53a1318eaf14b76ece2d73dc6e447abbfd5e632298467db6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FCVP4E7ECSJTOPUPNH5ZFD37ZC/bundle.json","state_url":"https://pith.science/pith/FCVP4E7ECSJTOPUPNH5ZFD37ZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FCVP4E7ECSJTOPUPNH5ZFD37ZC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-12T11:08:29Z","links":{"resolver":"https://pith.science/pith/FCVP4E7ECSJTOPUPNH5ZFD37ZC","bundle":"https://pith.science/pith/FCVP4E7ECSJTOPUPNH5ZFD37ZC/bundle.json","state":"https://pith.science/pith/FCVP4E7ECSJTOPUPNH5ZFD37ZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FCVP4E7ECSJTOPUPNH5ZFD37ZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:FCVP4E7ECSJTOPUPNH5ZFD37ZC","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a7a79f5273765fad9e6aa180c086a663f42fda5c11fb06350c763437dbb3b10e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T07:43:02Z","title_canon_sha256":"6734858921fd88446d6555a668c46b39eaa852e26bcb765d8b34506bdcba57bf"},"schema_version":"1.0","source":{"id":"2304.05034","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05034","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05034v1","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05034","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"pith_short_12","alias_value":"FCVP4E7ECSJT","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"pith_short_16","alias_value":"FCVP4E7ECSJTOPUP","created_at":"2026-07-05T05:59:54Z"},{"alias_kind":"pith_short_8","alias_value":"FCVP4E7E","created_at":"2026-07-05T05:59:54Z"}],"graph_snapshots":[{"event_id":"sha256:0355429a7d112ce53a1318eaf14b76ece2d73dc6e447abbfd5e632298467db6d","target":"graph","created_at":"2026-07-05T05:59:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2304.05034/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the H{\\alpha} luminosity function (LF) derived from a large sample of Lyman break galaxies at z {\\sim} 4.5 over the GOODS-South and North fields. This study makes use of the new, full-depth Spitzer/IRAC [3.6] and [4.5] imaging from the GOODS Re-ionization Era wide-Area Treasury from the Spitzer program. The H{\\alpha} flux is derived from the offset between the continuum flux estimated from the best-fit spectral energy distribution, and the observed photometry in IRAC [3.6]. From these measurements, we build the H{\\alpha} LF and study its evolution providing the best constraints of t","authors_text":"Garth D. Illingworth, Ivo Labb\\'e, Mauro Stefanon, Pascal A. Oesch, Renske Smit, Rychard J. Bouwens, Valentino Gonz\\'alez, Victoria Bollo","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T07:43:02Z","title":"The H{\\alpha} Luminosity Function of Galaxies at z {\\sim} 4.5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05034","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d707a1fef11d3510367cef36720e6c02f9066dae0ba5984d86a74d62406ab6a3","target":"record","created_at":"2026-07-05T05:59:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a7a79f5273765fad9e6aa180c086a663f42fda5c11fb06350c763437dbb3b10e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-11T07:43:02Z","title_canon_sha256":"6734858921fd88446d6555a668c46b39eaa852e26bcb765d8b34506bdcba57bf"},"schema_version":"1.0","source":{"id":"2304.05034","kind":"arxiv","version":1}},"canonical_sha256":"28aafe13e41493373e8f69fb928f7fc8b81936d3bea9d5557450e71d2264114e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28aafe13e41493373e8f69fb928f7fc8b81936d3bea9d5557450e71d2264114e","first_computed_at":"2026-07-05T05:59:54.462760Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:59:54.462760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0sYylVHRAlsWLAsHPGGLUDm2JA47I3ma1NuJrSj89vw//kF9KGjR2q8D0L/5p804+cOTPh5MSvRNAdPeo1PBBA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:59:54.463162Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.05034","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d707a1fef11d3510367cef36720e6c02f9066dae0ba5984d86a74d62406ab6a3","sha256:0355429a7d112ce53a1318eaf14b76ece2d73dc6e447abbfd5e632298467db6d"],"state_sha256":"17c9c576b1f0ec540e5c74eb3d1a6482f6df7f2b685c4e718597df2e1acd4e45"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UHrVIl9/GY2yIUExWgQUighg5AcWjBr3BNFBKqAVSnIqJJS9fjSChjQ5iMcd270yZb4odQN2ZYpTlPz/giQ/Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T11:08:29.684916Z","bundle_sha256":"ca6dd10d1c0b1f010671aeae4037498b5a8d984a589112a552f7bbd0be381a10"}}